# -*- coding: utf-8 -*-
"""
TencentBlueKing is pleased to support the open source community by making
蓝鲸智云 - PaaS 平台 (BlueKing - PaaS System) available.
Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved.
Licensed under the MIT License (the "License"); you may not use this file except
in compliance with the License. You may obtain a copy of the License at

    http://opensource.org/licenses/MIT

Unless required by applicable law or agreed to in writing, software distributed under
the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
either express or implied. See the License for the specific language governing permissions and
limitations under the License.

We undertake not to change the open source license (MIT license) applicable
to the current version of the project delivered to anyone in the future.
"""
import cattr
from pydantic import ValidationError as PDValidationError
from rest_framework import exceptions, serializers

from paas_wl.bk_app.cnative.specs.crd import bk_app
from paas_wl.utils.basic import to_error_string
from paasng.platform.declarative.constants import AppSpecVersion
from paasng.platform.declarative.deployment.resources import DeploymentDesc
from paasng.platform.declarative.serializers import validate_language
from paasng.platform.modules.serializers import ModuleNameField

module_name_field = ModuleNameField()


class ModuleSpecField(serializers.DictField):
    def to_internal_value(self, data):
        attrs = super().to_internal_value(data)
        try:
            obj = bk_app.BkAppSpec(**attrs)
        except PDValidationError as e:
            raise exceptions.ValidationError(to_error_string(e))
        return obj

    def to_representation(self, value):
        if isinstance(value, bk_app.BkAppSpec):
            return value.dict(exclude_none=True, exclude_unset=True)
        return super().to_representation(value)


class DeploymentDescSLZ(serializers.Serializer):
    language = serializers.CharField(help_text="模块开发语言", validators=[validate_language])
    sourceDir = serializers.CharField(help_text="源码目录", default="", source="source_dir")
    spec = ModuleSpecField(required=True)

    def to_internal_value(self, data) -> DeploymentDesc:
        attrs = super().to_internal_value(data)
        return cattr.structure(
            {
                "language": attrs["language"],
                "source_dir": attrs["source_dir"],
                "spec_version": AppSpecVersion.VER_3,
                "spec": attrs["spec"],
            },
            DeploymentDesc,
        )
